Sanding shoe with removable clamping jaw

Claim 1

A sanding shoe comprising an elongated spring metal support plate adapted for bolting to a reciprocable carrier plate in a portable sanding tool, an elongated rectangular elastomeric pad in which the support plate is moulded, the pad providing a cushion backing for a sheet of sandpaper extended over its bottom surface, separate clamping means detachably mounted upon opposite upper end areas of the shoe for clamping in place opposite ends of the sandpaper extending over corresponding ends of the shoe, the support plate and the pad being flexible as a unit in moving over curved surfaces during operation of the tool, each of said clamping means including a spring metal flexible clamping jaw element having a rear end removably interlocked with the support plate and having a jaw end inherently biased angularly upward from the shoe in an open condition, a bearing element integral with the support plate and extending upwardly therefrom above the surface of the shoe, and a manipulative lever pivotable in the bearing and having a camming arm in overlying relation to the jaw end of the clamping jaw element, said support plate including a slot, the clamping jaw element including a tailpiece at its rear end insertable into the slot, said jaw end of the clamping jaw element being inherently biased upwardly against the camming arm of the lever.